The term miles per gallon is identified in base64 scheme by the sequence bWlsZXMgcGVyIGdhbGxvbg==, while the MD5 signature is equal to 9ac85ad485b0842078c7791e1086ee9e. The ASCII encoding of miles per gallon in hexadecimal notation is 6d696c6573207065722067616c6c6f6e.